Ключевые слова: blade, circle, circular, construction, cut, diamond, die, disc, disk, electric, engineering, equipment, factory, grind, grinder, hot, industrial, industry, iron, light, machine, manual, manufacture, manufacturing, mechanic, metal, part, power, production, protection, rotate, round, safety, saw, spark, speed, steel, technical, technology, tool, turning, welding, wheel, work, worker, workshop,